The senior Labour MP, Nigel Griffiths, is preparing to quit his job as deputy leader of the House of Commons because he is opposed to the replacement of the Trident nuclear weapons system.
By Rob Edwards and Torcuil Crichton
The senior Labour MP, Nigel Griffiths, is preparing to quit his job as deputy leader of the House of Commons because he is opposed to the replacement of the Trident nuclear weapons system.